Specialized ROCKHOPPER COMP 29ER 2011 VS Opus SONAR 2008 specs comparison

Specialized Rockhopper Comp 29er

General Infos

Model	Rockhopper Comp 29er
Manufacturer	Specialized
Year of production	2011
Current price	Check price Here ==>
Color choice	- Blu and Blk -Blk and Wht
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)
Sizes	- 15.5 (inches) - 17.5 (inches) - 19 (inches) - 21 (inches) - 23 (inches)

Wheels And Breaking System

Bike front tire	29 X 2.0 (inches) Specialized The Captain Sport
Bike rear tire	Not Available
Bike wheel size	29 (inches) Wheels
Brakeset type	Tektro Draco Levers Tektro Draco Brakes
Hubs for disc brakes	Rear: Forged Alloy Mid Flange Front: Forged Alloy Hi and low Flange
Rims manufacturer	32-hole and 36-hole Alex RHD 29 (inches)
Spoke nipples type	Not Available
Spoke wheel	14ga. Butted Stainless

Frame and Body Specs

Frame materials	Specialized M4 Alloy
Frame type	TIG-welded
Handlebar construction	Butted Alloy Risebar
Handlebar extender	Optional
Handlebar stem details	3D Forged Alloy
Headset size	1 1/8 (inches) Threadless

Gearing Specifications

Bicycle chain	KMC X9
Bottom bracket shell width	Not Available
Bottom bracket type	Shimano BB ES25 Octalink
Crankset parts and sizes	22/32/44 Teeth Shimano FC-M430-8
Gear shift levers	Shimano Alivio SL
Rear gear set	11 - 34 Teeth 9-speed

Specialized Rockhopper Comp 29er Fork System Data

Derailleur (Front)	34.9 (millimeters) Clamp Shimano Alivio
Derailleur (Rear)	Shimano Alivio
Fork material	Single Crown Alloy Steerer
Fork type	SR Suntour SF11

Other Specs of Specialized Rockhopper Comp 29er

Component group sets	Mountain Mix
Pedals details	Alloy
Rear shock absorber	Not Available
Saddle seat	Specialized Rockhopper XC
Seat post extension	30.9 (millimeters) Diameter Two-bolt Alloy Micro-Adjust

Opus Sonar

General Infos

Model	Sonar
Manufacturer	Opus
Year of production	2008
Current price	Check price Here ==>
Color choice	-Satin Black
Sizes	- Xsmall - small - medium - large - xlarge

Wheels And Breaking System

Bike front tire	26 X 2.00 (inches) CST
Bike rear tire	Not Available
Bike wheel size	26 (inches) Wheels
Brakeset type	Promax Levers ProMax Alloy V-Brake Brakes
Hubs for disc brakes	Rear: Formula Nutted Front: Formula
Rims manufacturer	Alex DM-18
Spoke nipples type	Not Available
Spoke wheel	Not Available

Frame and Body Specs

Frame materials	6000 aluminum c
Frame type	TIG-welded
Handlebar construction	Ora AL-027
Handlebar extender	Optional
Handlebar stem details	Ora 2D
Headset size	1 1/8 (inches) VP

Gearing Specifications

Bicycle chain	KMC
Bottom bracket shell width	Not Available
Bottom bracket type	CH-52 Cartridge
Crankset parts and sizes	Suntour XCR-170
Gear shift levers	Shimano ST-EF60
Rear gear set	11 - 30 Teeth 7-speed

Opus Sonar Fork System Data

Derailleur (Front)	Shimano C050
Derailleur (Rear)	Shimano Tourney TX-51
Fork material	Single
Fork type	75 (millimeters) Travel RST 191 T7

Other Specs of Opus Sonar

Component group sets	Mountain Mix
Pedals details	Wellgo Alloy Body and cage
Rear shock absorber	Not Available
Saddle seat	Black Ora
Seat post extension	27.2 (millimeters) Diameter Ora SP242